Non-multiplexed addressing methods for liquid crystal oscilloscope displays

Shanks, I.A.; Holland, Phil; Smith, Christian

doi:10.1016/0141-9382(79)90053-2

Cited by 14 publications

(4 citation statements)

References 7 publications

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“…A partial solution to this problem is to consider wave-form identity addressing [11,12]. Referring to the figure 11, the row waveforms are an orthogonal set of waveforms, and the column waveforms can be selected to be one of the row waveforms.…”

Section: -4 / X Feng Late-news Papermentioning

confidence: 99%

66‐4: Late‐News Paper: Fast Dichroic‐Dye‐Doped Cholesteric Liquid Crystals Light Shutter

Feng

Beev

Bos

2019

Symp Digest of Tech Papers

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We demonstrate a dichroic‐dye‐doped cholesteric liquid crystal light shutter device with fast response time, achromatic dark state, and polarization independence. The liquid crystal director is switching between the transparent homeotropic state to a dark transient planar state without scattering, and continually to focal conic state with little scattering. The device fabrication process is simple because of no alignment is needed and a simple electrodes structure used. It has potential to be applied in automotive applications to block oncoming headlight glare, and in AR real world image occlusion.

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Section: -4 / X Feng Late-news Papermentioning

confidence: 99%

66‐4: Late‐News Paper: Fast Dichroic‐Dye‐Doped Cholesteric Liquid Crystals Light Shutter

Feng

Beev

Bos

2019

Symp Digest of Tech Papers

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show abstract

“…This instrument. which is a UK invention (Shanks 1979). uses a dyed phase change display instead of the conventional bulky, high voltage cathode ray tube.…”

Section: Dyed Phase Change Displaysmentioning

confidence: 99%

Liquid crystal devices

Bradshaw¹

1983

Phys. Educ.

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“…However, most of these 2 N combinations do not occur in displays for oscilloscopes and logic analyzers. Shanks and Holland 1 have used the correlation properties of pseudo random binary sequence (PRBS) for displaying a single waveform on a matrix LCD. An infinite selection ratio is possible because only one waveform is displayed.…”

Section: Introductionmentioning

confidence: 99%

An addressing technique for displaying restricted patterns in rms‐responding LCDs by selecting a few rows at a time

Kumar

Ruckmongathan

2000

J Soc Info Display

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Abstract— An addressing technique that will allow rms‐responding matrix LCDs to display restricted patterns is proposed. This technique is based on the selection of a few rows at a time while scanning the display. In applications such as logic analyzers and oscilloscopes, mostly single‐valued functions of time are displayed. This restriction in the image is useful in enhancing the selection ratio so that good contrast is achievable even with TN‐LCDs. It is shown that a large reduction in the hardware complexity of the column drivers and the supply voltage is possible when the waveforms being displayed do not overlap each other and are equally spaced.

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Non-multiplexed addressing methods for liquid crystal oscilloscope displays

Cited by 14 publications

References 7 publications

66‐4: Late‐News Paper: Fast Dichroic‐Dye‐Doped Cholesteric Liquid Crystals Light Shutter

66‐4: Late‐News Paper: Fast Dichroic‐Dye‐Doped Cholesteric Liquid Crystals Light Shutter

Liquid crystal devices

An addressing technique for displaying restricted patterns in rms‐responding LCDs by selecting a few rows at a time

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